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[tor-bugs] #30647 [Applications/Tor Browser]: Letterboxing and Scrollbars Dimensions
#30647: Letterboxing and Scrollbars Dimensions
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Reporter: edgewall | Owner: tbb-team
Type: defect | Status: new
Priority: Medium | Component: Applications/Tor Browser
Version: | Severity: Normal
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Letterboxing's reason of existence is to improve the users' privacy by
reducing yet another fingerprinting bit. But the solution isn't perfect -
there are many operating systems and window managers, and countless
themes. And every one of them can have different scrollbar dimensions -
which helps to fingerprint the user.
For example, in a page with a vertical scrollbar my window widths is being
reported as 984px instead of 1000px with Tor Browser's "content window
dimensions rounding" (#14429), or 1184px instead of 1200px with FF67's
letterboxing.
Would it be possible to maybe move the scrollbars (both vertical and
horizontal) out of the "letterbox"?
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30647>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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